Timeline of the 2021 Atlantic hurricane season
The 2021 Atlantic hurricane season was the third most active Atlantic hurricane season on record with 21 named storms, and the sixth consecutive year in which there was above-average tropical cyclone activity The season officially began on June 1, 2021, and ended on November 30, 2021. These dates, adopted by convention, historically describe the period in each year when most Northern Atlantic tropical cyclones form.
Source: Wikipedia — Timeline of the 2021 Atlantic hurricane season (CC BY-SA 4.0)